Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

Add members to a shared channel. When creating a shared channel, the default setting is Share this channel with everyone on the team.. After you've chosen Shared channel as the channel type in the selection box, type the names of the people in your org you want to add to the channel and select from the list.

了解如何保护 Microsoft 帐户的安全，包括创建强密码、识别安全电子邮件以及查看帐户活动。

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

如果无法更改密码. 如果无法以这种方式更改密码，请参阅重置 Microsoft 帐户密码。. 需要更多帮助吗？ 请联系支持人员. 有关技术支持，请转到联系Microsoft 支持，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转至最佳支持选项。

Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.

The Snap feature is a great way to improve your productivity by sharing many app windows in a single screen. Different layouts are available with many sizes to choose from, so you can get the most from your favorite apps when you are working on specific tasks.

欺诈会影响所有人，并且大多数发布者和开发人员都有自己的一组规则来防止欺诈性购买。 Microsoft 通过保护帐户信息并确保玩家仅从受信任的零售商处购买，保护社区成员免受财务欺诈。

按控制器上的 [Xbox] 按鈕 開啟快顯功能表。; 選取 [隱私權和系統] > [設定] >[帳戶] >[隱私權和線上安全] >[Xbox 隱私權] > [檢視詳細資料和自訂] > [通訊和多人遊戲]。; 請確定 [您可以加入跨網路遊戲] 設定為 [允許]，而且 [您可以在 Xbox 外部使用語音和文字通訊] 設定為 [所有人]。

有关如何更改 Microsoft 帐户上的名称的说明。